Need Critique - PvE - Stalker - Katana/Ice - Mids Included

Alright! Got her softcapped with room to spare, but I want to know what everyone else thinks. I might replace the Steadfast Res/End in permafrost with a Glad +3% Def when I can, just for a lil extra defense against those darned Romans, but at the moment she's within a purple from Incarnate Softcap. Let me know if you see room for improvement!

Villain Plan by Mids' Villain Designer 1.952
http://www.cohplanner.com/

Click this DataLink to open the build!

Guardian JAC: Level 50 Magic Stalker
Primary Power Set: Ninja Blade
Secondary Power Set: Ice Armor
Power Pool: Leaping
Power Pool: Fighting
Ancillary Pool: Soul Mastery

Villain Profile:
Level 1: Gambler's Cut -- KntkC'bat-Acc/Dmg(A), KntkC'bat-Dmg/EndRdx(5), KntkC'bat-Dmg/Rchg(5), KntkC'bat-Dmg/EndRdx/Rchg(7), Achilles-ResDeb%(7), Mako-Acc/Dmg/EndRdx/Rchg(33)
Level 1: Hide -- DefBuff-I(A), DefBuff-I(9)
Level 2: Frozen Armor -- LkGmblr-Def(A), LkGmblr-Def/EndRdx(15), LkGmblr-Rchg+(15), LkGmblr-Def/Rchg(17)
Level 4: Flashing Steel -- Erad-Acc/Dmg/EndRdx/Rchg(A), Erad-Acc/Dmg/Rchg(9), Erad-Dmg(11), Erad-%Dam(11), Achilles-ResDeb%(13), LdyGrey-%Dam(13)
Level 6: Assassin's Blade -- KntkC'bat-Acc/Dmg(A), KntkC'bat-Dmg/EndRdx(23), KntkC'bat-Dmg/Rchg(25), KntkC'bat-Dmg/EndRdx/Rchg(25)
Level 8: Hoarfrost -- Dct'dW-Heal/EndRdx(A), Dct'dW-Heal/EndRdx/Rchg(19), Dct'dW-Heal(19), Dct'dW-Rchg(21), Dct'dW-Heal/Rchg(21)
Level 10: Wet Ice -- EndRdx-I(A)
Level 12: Build Up -- Rec'dRet-ToHit/Rchg(A), Rec'dRet-ToHit(17)
Level 14: Combat Jumping -- LkGmblr-Rchg+(A), LkGmblr-Def(23), LkGmblr-Def/EndRdx(48)
Level 16: Chilling Embrace -- P'ngTtl-EndRdx/Rchg/Slow(A), P'ngTtl-Acc/EndRdx(43), P'ngTtl--Rchg%(45), P'ngTtl-Acc/Slow(46)
Level 18: Divine Avalanche -- P'ngS'Fest-Dmg/EndRdx(A), P'ngS'Fest-Dmg/Rchg(27), P'ngS'Fest-Acc/Dmg(27), DefBuff-I(29), Mako-Acc/Dmg/EndRdx/Rchg(29), Acc-I(46)
Level 20: Permafrost -- S'fstPrt-ResDam/Def+(A), S'fstPrt-ResDam/EndRdx(43)
Level 22: Placate -- RechRdx-I(A)
Level 24: Boxing -- Empty(A)
Level 26: Soaring Dragon -- P'ngS'Fest-Dmg/Rchg(A), P'ngS'Fest-Dmg/EndRdx(33), P'ngS'Fest-Acc/Dmg(33), P'ngFist-Acc/Dmg/Rchg(34), P'ngFist-Acc/Dmg(34), P'ngFist-Acc/Dmg/EndRdx/Rchg(34)
Level 28: Glacial Armor -- DefBuff-I(A), DefBuff-I(31), DefBuff-I(31), EndRdx-I(31)
Level 30: Tough -- RctvArm-ResDam(A), RctvArm-ResDam/EndRdx(40), RctvArm-ResDam/EndRdx/Rchg(42), RctvArm-ResDam/Rchg(43)
Level 32: Golden Dragonfly -- Erad-Acc/Dmg/EndRdx/Rchg(A), Erad-Dmg(37), Erad-Acc/Dmg/Rchg(37), Erad-Dmg/Rchg(39), ShldBrk-%Dam(39), Erad-%Dam(39)
Level 35: Energy Absorption -- LkGmblr-Rchg+(A), LkGmblr-Def(36), LkGmblr-Def/Rchg(36), LkGmblr-Def/EndRdx/Rchg(36), P'Shift-EndMod/Acc(37), P'Shift-EndMod/Rchg(46)
Level 38: Icy Bastion -- Aegis-ResDam/Rchg(A), Aegis-ResDam/EndRdx/Rchg(40), Aegis-EndRdx/Rchg(40)
Level 41: Weave -- LkGmblr-Rchg+(A), LkGmblr-Def(42), LkGmblr-Def/EndRdx(42)
Level 44: Dark Blast -- Thundr-Dmg/EndRdx/Rchg(A), Thundr-Acc/Dmg/EndRdx(45), Thundr-Acc/Dmg/Rchg(45), Thundr-Acc/Dmg(48)
Level 47: Shadow Meld -- LkGmblr-Rchg+(A), LkGmblr-Def/Rchg(48)
Level 49: Summon Widow -- ExRmnt-Acc/Rchg(A), ExRmnt-Acc/Dmg/Rchg(50), ExRmnt-EndRdx/Dmg/Rchg(50), ExRmnt-Acc/Dmg(50)
Level 0: High Pain Threshold
Level 0: Invader
Level 0: Born In Battle
Level 0: Marshal
Level 50: Musculature Total Radial Revamp
------------
Level 2: Swift -- Empty(A)
Level 2: Health -- Numna-Regen/Rcvry+(A), Mrcl-Rcvry+(3)
Level 2: Hurdle -- Empty(A)
Level 2: Stamina -- P'Shift-End%(A), P'Shift-EndMod(3)
Level 1: Assassination
Level 1: Brawl -- Empty(A)
Level 1: Sprint -- Empty(A)
Level 2: Rest -- Empty(A)
Level 4: Ninja Run

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If you're 6-slotting divine avalanche anyway, why not go for the mako set? You'll lose the bit of extra lethal def, but it doesn't boost smashing anyhow, so not THAT big a deal. Plus it's a godly power out of the box. Or do the combo pounding/pulverizing that you did for Soaring Dragon. Cool slotting idea by the way.

You could also toss in a hammio. I love those.

I use that slotting when I'm chasing slot bonuses for E/N defense, since it gives more then 6 slotting mako's do. Either way I go on DA, it'll still rock. Thing is, this build is looking to be weak on fire, psi, and toxic...and I know that iTrials tend to have quite a bit of all three. Woohoo.